Side-by-side comparison of pricing, 12 benchmarks, and generation speed.
| Metric | GPT-5.2 (medium) | Claude 3 Sonnet |
|---|---|---|
| Input ($/M tokens) | $1.75 | $3 |
| Output ($/M tokens) | $14 | $15 |
Data from Artificial Analysis API — 12 benchmarks
GPT-5.2 (medium) is cheaper overall. Its blended price (3:1 input/output ratio) is $4.81/M tokens vs $6.00/M for Claude 3 Sonnet.
GPT-5.2 (medium) wins 10 out of 12 benchmarks compared to 1 for Claude 3 Sonnet. See the detailed benchmark chart above for per-category results.
Both models have comparable generation speeds.
Choose based on your priorities: GPT-5.2 (medium) for lower cost, GPT-5.2 (medium) for stronger benchmark performance, and both have comparable speed. For latency-sensitive apps, check the TTFT comparison above.